Best Time to Drive: Maryvale, AZ to Flagstaff, AZ

The best overall window to drive from Maryvale, AZ to Flagstaff, AZ is April to September. May is especially comfortable, and 9 AM to 12 PM is usually the easiest departure window.

Best overall window

April to September

This stretch gives the steadiest mix of comfort, daylight, and lower weather friction.

Easiest departure pattern

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

Most challenging stretch

December

November is one of the harder months for this route because the weather friction stacks up faster.

Why This Route Scores Differently

This is a same-day corridor, so departure timing matters almost as much as the month you choose.

The current best window is April to September, when the drive is more likely to feel steady end to end.

This score uses multiple NOAA sample points along the route instead of a single state-wide climate average.

Month-by-Month Driving Conditions

Jan

Good 19°F

Feb

Good 20°F

Mar

Good 22°F

Apr

Good 24°F

May

Great 27°F

Jun

Great 30°F

Jul

Good 32°F

Aug

Great 31°F

Sep

Good 30°F

Oct

Good 26°F

Nov

Fair 22°F

Dec

Fair 19°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 23 / 15°F

Moisture 1.3 in rain

Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

February

Avg high / low 24 / 16°F

Moisture 1.3 in rain

Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

March

Avg high / low 26 / 18°F

Moisture 1.1 in rain

Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

April

Avg high / low 29 / 20°F

Moisture 0.3 in rain

Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

May

Avg high / low 32 / 23°F

Moisture 0.2 in rain

Rating Great

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

June

Avg high / low 35 / 26°F

Moisture 0.1 in rain

Rating Great

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

July

Avg high / low 36 / 28°F

Moisture 1.2 in rain

Rating Good

Best departure

9 AM to 12 PM

Holiday traffic

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

August

Avg high / low 35 / 28°F

Moisture 1.3 in rain

Rating Great

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

September

Avg high / low 33 / 26°F

Moisture 0.9 in rain

Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

October

Avg high / low 30 / 22°F

Moisture 0.7 in rain

Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

November

Avg high / low 26 / 18°F

Moisture 0.7 in rain

Rating Fair

Best departure

9 AM to 12 PM

Holiday traffic

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

December

Avg high / low 22 / 15°F

Moisture 1 in rain

Rating Fair

Best departure

9 AM to 12 PM

Holiday traffic

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

Best Departure Time by Season

Spring

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

Summer

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

Fall

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

Winter

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

How This Score Was Built

Source

Route-sampled NOAA climate normals

High confidence. Built from 3 NOAA-backed route checkpoints rather than a single statewide estimate.

Origin zone

Desert Southwest

Destination zone

Desert Southwest

Route sample points

Late route

Late route checkpoint

AZ GLENDALE 3.5 S (2.4 mi away)

Late route

Late route checkpoint

AZ SPRING VALLEY 0.4 SW (11.4 mi away)

Destination

Flagstaff, AZ

AZ statewide fallback (0 mi away)

Ready to plan? See the full trip plan from Maryvale, AZ to Flagstaff, AZ with stops, fuel costs, and directions.

Considering flying instead? Compare driving vs flying for this route.